Date: Tue, 22 May 2007 01:35:45 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jeff Garzik <jeff@garzik.org>
Cc: Dave Airlie <airlied@gmail.com>, Jon Smirl <jonsmirl@gmail.com>,
       Jesse Barnes <jbarnes@virtuousgeek.org>,
       Jesse Barnes <jesse.barnes@intel.com>, linux-kernel@vger.kernel.org,
       "Antonino A. Daplas" <adaplas@gmail.com>
Subject: Re: [RFC] enhancing the kernel's graphics subsystem
Message-ID: <20070522013545.5c269641@the-village.bc.nu>
In-Reply-To: <4652295E.7060305@garzik.org>
References: <200705171423.46748.jesse.barnes@intel.com>
	<9e4733910705210901v5996cacas640f211404c519c6@mail.gmail.com>
	<200705210914.22663.jbarnes@virtuousgeek.org>
	<200705210934.58559.jbarnes@virtuousgeek.org>
	<9e4733910705211005k761c976o1a6b270d87b49589@mail.gmail.com>
	<21d7e9970705211014j6eb59326u85f7347a3000f3d3@mail.gmail.com>
	<4652295E.7060305@garzik.org>
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> > the kernel, it can be a lot smaller than X and auditable.. sticking
> > the DRI protocol in the kernel is just pointless..
> 
> It is a quite sensible idea.
> 
> The userspace X server SHOULD be running under a non-root user, with 
> appropriate fine-grained privs granted to it.
> 
> "I need root to do graphics" is a myopic, antiquated view of the world.

X server: priviledges below everything, pageable
kernel: priviledges as high as conceivable, non-pageable

So why do you want it in kernel.... security is not the sensible answer
here.

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